57049581423 has 8 divisors (see below), whose sum is σ = 78121949488. Its totient is φ = 37005133824.

The previous prime is 57049581403. The next prime is 57049581439. The reversal of 57049581423 is 32418594075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57049581423 - 2²¹ = 57047484271 is a prime.

It is a super-3 number, since 3×57049581423³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57049581403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256979986 + ... + 256980207.

It is an arithmetic number, because the mean of its divisors is an integer number (9765243686).

Almost surely, 2^57049581423 is an apocalyptic number.

57049581423 is a deficient number, since it is larger than the sum of its proper divisors (21072368065).

57049581423 is a wasteful number, since it uses less digits than its factorization.

57049581423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513960233.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 57049581423 in words is "fifty-seven billion, forty-nine million, five hundred eighty-one thousand, four hundred twenty-three".